This is an [music] NBC News special report. Here's Tom Yamos. >> And good evening.We are coming on the air with [music] some breaking news. Just moments ago, the president of the United States announced a two-week ceasefire with Iran. It comes just hours after the president had threatened, in his words, a whole civilization will die.The president was said to be considering striking so-called dual use targets in Iran after an 8:00 p. m. deadline.Tonight, I want to get right to Gabe Gutierrez with the latest ...